#648ACA#648ACA

#648ACA is a light, moderate blue. Relative luminance 0.252; OKLCH L 63.3% C 0.106 H 260.4°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#648ACA
RGB	rgb(100, 138, 202)
HSL	hsl(218, 49%, 59%)
HSV	hsv(218, 50%, 79%)
CMYK	cmyk(50.5%, 31.7%, 0%, 20.8%)
CIE-LAB	lab(57.22, 4.76, -37.18)
CIE-LCH	lch(57.22, 37.48, 277.30°)
OKLab	oklab(63.25% -0.0176 -0.1045)
OKLCH	oklch(63.25% 0.106 260.4)
XYZ	xyz(25.0011, 25.1488, 59.4024)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ACA #CAA464

analogous

#64BDCA #648ACA #7164CA

triadic

#648ACA #CA648A #8ACA64

tetradic

#648ACA #CA64BD #CAA464 #64CA71

square

#648ACA #CA64BD #CAA464 #64CA71

split-complementary

#648ACA #CA7164 #BDCA64

monochromatic

#2E4F86 #3D69B3 #648ACA #92ACDA #BFCFE9

Accessibility & contrast

On white

3.48

#648ACA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#648ACA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ACA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ACA	#FFFFFF	#000000	##000000
##648ACA	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCD

Deuteranopia (green-blind)

#6585C9

Tritanopia (blue-blind)

#3498A1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #648aca;
/* rgb */ color: rgb(100, 138, 202);
/* oklch */ color: oklch(63.3% 0.106 260.4);

Tailwind

colors: {
  custom: {
    50: '#96abda',
    500: '#648aca',
    950: '#000000',
  },
}

SCSS

$custom: #648aca;
$custom-light: #96abda;
$custom-dark: #000000;

JSON

{
  "hex": "#648aca",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 202
  },
  "hsl": {
    "h": 217.647,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63252,
    "c": 0.10601,
    "h": 260.4
  },
  "luminance": 0.25151
}

Semantic roles & 50–950 ramp

primary

#648ACA

secondary

#D9CAB1

accent

#A54FD9

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648ACA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →